JBoss API: Class Semaphore
org.jboss.util
Class Semaphore
java.lang.Object
|
+--org.jboss.util.Semaphore
All Implemented Interfaces: Sync
Direct Known Subclasses: BeanSemaphore , WaitSemaphore
public class Semaphore extends java.lang.Objectimplements Sync
Semaphore that can allow a specified number of threads to enter, blocking the
others. If the specified number of threads is 1, it acts as an exclusive semaphore
and can be used instead of synchronized blocks
Version: $Revision: 1.2.4.1 $
Author: Simone Bordet (simone.bordet@compaq.com)
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
Semaphore
public Semaphore (int allowed)
getUsers
public int getUsers ()
acquire
public void acquire ()
throws java.lang.InterruptedException
Description copied from interface: Sync
Acquires this sync
Specified by: acquire
in interface Sync
Following copied from interface: org.jboss.util.Sync
See Also: Sync.release()
release
public void release ()
Description copied from interface: Sync
Releases this sync
Specified by: release
in interface Sync
Following copied from interface: org.jboss.util.Sync
See Also: Sync.acquire()
toString
public java.lang.String toString ()
Overrides: toString
in class java.lang.Object
waitImpl
protected boolean waitImpl (java.lang.Object lock)
throws java.lang.InterruptedException
logAcquire
protected void logAcquire ()
logDeadlock
protected void logDeadlock ()
logRelease
protected void logRelease ()
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